style=form can replace both csv and multi

Thanks to @webron for noting this.

Author: ePaul

versions/3.0.md

@@ -965,7 +965,7 @@ In order to support common ways of serializing simple parameters, a set of `styl
 ----------- | ------ | -------- | --------
 matrix |  `primitive`, `array`, `object` |  `path` | Path-style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.7) 
 label | `primitive`, `array`, `object` |  `path` | Label style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.5)
-form |  `primitive`, `array`, `object` |  `query`, `cookie` | Form style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.8). This option replaces `collectionFormat` with a `multi` value from OpenAPI 2.0.
+form |  `primitive`, `array`, `object` |  `query`, `cookie` | Form style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.8). This option replaces `collectionFormat` with a `csv` (when `explode` is false) or `multi` (when `explode` is true) value from OpenAPI 2.0.
 simple | `array` | `path`, `header` | Simple style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.2).  This option replaces `collectionFormat` with a `csv` value from OpenAPI 2.0.
 spaceDelimited | `array` | `query` | Space separated array values. This option replaces `collectionFormat` equal to `ssv` from OpenAPI 2.0. 
 pipeDelimited | `array` | `query` | Pipe separated array values. This option replaces `collectionFormat` equal to `pipes` from OpenAPI 2.0.